diff --git a/src/compiler/nir/nir_divergence_analysis.c b/src/compiler/nir/nir_divergence_analysis.c
index c10350583fd..5e9bb142c5c 100644
--- a/src/compiler/nir/nir_divergence_analysis.c
+++ b/src/compiler/nir/nir_divergence_analysis.c
@@ -209,6 +209,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr)
    case nir_intrinsic_load_ssbo_uniform_block_intel:
    case nir_intrinsic_load_shared_uniform_block_intel:
    case nir_intrinsic_load_barycentric_optimize_amd:
+   case nir_intrinsic_load_poly_line_smooth_enabled:
       is_divergent = false;
       break;
 
diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index 871ae5a2676..b88ab97144d 100644
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -849,6 +849,8 @@ system_value("xfb_index_buffer", 1, bit_sizes=[32,64])
 
 system_value("frag_size", 2)
 system_value("frag_invocation_count", 1)
+# Whether smooth lines or polygon smoothing is enabled
+system_value("poly_line_smooth_enabled", 1, bit_sizes=[1])
 
 # System values for ray tracing.
 system_value("ray_launch_id", 3)